Voltage Drop - Three phase, with Known Resistance

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  1. This calculator provides Voltage Drop for a Circuit with its one way Length provided in feet for three phase current, for any metal if the resistance (K) is known at a given temperature. K is an input variable, reference the National Electric Code Book for this value.

Input 4 of 5 variables to solve for the unknown.
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SymbolVariableInputUnits
VdVoltage Drop
KResistance in Ohms
VlConductor Length
ICurrent
CmCircular Mils
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